Sunday
2:00 pm - 9:00 pm
Arrival and Check-in
6:00 pm - 7:00 pm
Dinner
7:30 pm - 7:40 pm
Introductory Comments by GRC Site Staff / Welcome from the GRC Chair
7:40 pm - 9:30 pm
The Biogeochemical Record of Early Life: Constraints From Rocks to Proteins
7:40 pm - 7:50 pm
Introduction by Discussion Leader
7:50 pm - 8:25 pm
"The Expanding Networks of Mineral Chemistry and Microbial Metabolism"
8:25 pm - 8:40 pm
Discussion
8:40 pm - 9:15 pm
"Interrogating the Early Archean Record of Carbon and Nitrogen Cycling"
9:15 pm - 9:30 pm
Discussion
Monday
7:30 am - 8:30 am
Breakfast
9:00 am - 12:30 pm
Microbial Persistence in the Real World
9:00 am - 9:20 am
Introduction by Discussion Leader
9:20 am - 9:55 am
"Exploring the Selective Diet of Microbes in Modern and Ancient Marine Sediments"
9:55 am - 10:10 am
Discussion
10:10 am - 10:40 am
Coffee Break
10:40 am - 11:15 am
"Disturbance, Persistence, and Resilience of Microbes after a 500-year Flood"
11:15 am - 11:30 am
Discussion
11:30 am - 12:05 pm
"Exploring the Archaeal Domain in the Mars Analogous Desert of the Cuatro Cieìnegas Basin"
12:05 pm - 12:20 pm
Discussion
12:20 pm - 12:30 pm
Poster Previews
12:30 pm - 1:30 pm
Lunch
1:30 pm - 4:00 pm
Free Time
3:00 pm - 4:00 pm
The GRC Power Hour™
The GRC Power Hour™ is designed to address diversity and inclusion in the scientific workplace by providing a safe environment for informal and meaningful conversations amongst colleagues of all career stages. The program supports the professional growth of all members of our communities, including ethnicity, race and/or gender identity by providing an open forum for discussion and mentoring.
4:00 pm - 6:00 pm
Poster Session
6:00 pm - 7:00 pm
Dinner
7:30 pm - 9:30 pm
From Eukaryogenesis to Multicellularity: Contrasting Geological, Genetic and Organismal Evidence
7:30 pm - 7:50 pm
Introduction by Discussion Leader
7:50 pm - 8:25 pm
"The Sterane Biomarker Record: Progress and Peril"
8:25 pm - 8:40 pm
Discussion
8:40 pm - 9:15 pm
"Bacterial Endosymbionts and the Evolution of Eukaryotes"
9:15 pm - 9:30 pm
Discussion
Tuesday
7:30 am - 8:30 am
Breakfast
8:30 am - 9:00 am
Group Photo
9:00 am - 12:30 pm
The Evolution of Photoautotrophy in Space and Time
9:00 am - 9:20 am
Introduction by Discussion Leader
9:20 am - 9:55 am
"Photosynthesis: Between a Light and a Hard Place"
9:55 am - 10:10 am
Discussion
10:10 am - 10:40 am
Coffee Break
10:40 am - 11:15 am
"The Connate Roles of Manganese in the Natural History of Cyanobacteria"
11:15 am - 11:30 am
Discussion
11:30 am - 12:05 pm
"Exploring the Electric Side of Photosynthesis"
12:05 pm - 12:20 pm
Discussion
12:20 pm - 12:30 pm
Poster Previews
12:30 pm - 1:30 pm
Lunch
1:30 pm - 4:00 pm
Free Time
4:00 pm - 6:00 pm
Poster Session
6:00 pm - 7:00 pm
Dinner
7:30 pm - 9:30 pm
Experimental Macroevolution: Directly Testing Geobiological Hypotheses
7:30 pm - 7:50 pm
Introduction by Discussion Leader
7:50 pm - 8:25 pm
"Historical Contingency in Metabolism Constrains Long-term Evolution in the Presence of Oxygen"
8:25 pm - 8:40 pm
Discussion
8:40 pm - 9:15 pm
"Metabolic Constraints: How the Past Can Inform Evolution in the Future"
9:15 pm - 9:30 pm
Discussion
Wednesday
7:30 am - 8:30 am
Breakfast
9:00 am - 12:30 pm
The Evolution of Stable Isotope Geobiology From Product to Process
9:00 am - 9:20 am
Introduction by Discussion Leader
9:20 am - 9:55 am
"Embracing Local Signals: How Do Sulfur Isotopes in Pyrite Capture Information About Organisms and Their Environment?"
9:55 am - 10:10 am
Discussion
10:10 am - 10:40 am
Coffee Break
10:40 am - 11:15 am
"Archaeal Lipid Hydrogen Isotope Signatures as a Potential Paleoenvironmental Proxy"
11:15 am - 11:30 am
Discussion
11:30 am - 12:05 pm
"Position-specific Isotope Analyses of Insoluble Organics"
12:05 pm - 12:20 pm
Discussion
12:20 pm - 12:30 pm
Poster Previews
12:30 pm - 1:30 pm
Lunch
1:30 pm - 4:00 pm
Free Time
4:00 pm - 6:00 pm
Poster Session
6:00 pm - 7:00 pm
Dinner
7:30 pm - 9:30 pm
Geobiology of Critical Intervals: Ecology and the Earth System in Deep Time
7:30 pm - 7:50 pm
Introduction by Discussion Leader
7:50 pm - 8:25 pm
"[Earth] Systems Paleobiology: Reconstructing the Lives of Ancient Marine Animals Through the Bad Times and the Good"
8:25 pm - 8:40 pm
Discussion
8:40 pm - 9:15 pm
"How an Ever-More Tangled Web has (Generally) Stabilized the Earth System"
9:15 pm - 9:30 pm
Discussion
Thursday
7:30 am - 8:30 am
Breakfast
8:30 am - 9:00 am
Business Meeting
Nominations for the Next Vice Chair(s); Complete the GRC Evaluation Forms; Discuss Future Dates and Venue; Election of the Next Vice Chair(s)
9:00 am - 12:30 pm
Ecology, Evolution and Existence in Extreme Environments
9:00 am - 9:20 am
Introduction by Discussion Leader
9:20 am - 9:55 am
"Linking Respiration Rates with Single Cell Genomes in Low-biomass Environments"
9:55 am - 10:10 am
Discussion
10:10 am - 10:40 am
Coffee Break
10:40 am - 11:15 am
"Life at the Extreme: Photosynthesis and Microbial Diversity from Geysers to Snowfields"
11:15 am - 11:30 am
Discussion
11:30 am - 12:05 pm
"Cell Membrane Adaptations in a Polyextreme Environment: The Lipid Biomarker Composition of Subsurface Serpentinites"
12:05 pm - 12:20 pm
Discussion
12:20 pm - 12:30 pm
Poster Previews
12:30 pm - 1:30 pm
Lunch
1:30 pm - 4:00 pm
Free Time
4:00 pm - 6:00 pm
Poster Session
6:00 pm - 7:00 pm
Dinner
7:30 pm - 9:30 pm
Comparing Theories and Evidence for the Co-evolution of Life and Earth
7:30 pm - 7:50 pm
Introduction by Discussion Leader
7:50 pm - 8:25 pm
"Earth’s Dynamic Oxygenation: Oases, Whiffs, and Overshoots"
8:25 pm - 8:40 pm
Discussion
8:40 pm - 9:15 pm
"The Coevolution of Life and Constraints in the Biosphere"
9:15 pm - 9:30 pm
Discussion
Friday
7:30 am - 8:30 am
Breakfast
9:00 am
Departure